CVE-2018-6191

mediumpriority · track · 34EPSS 0.052 · 92 %ileexploit · PoCEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

5.20% (92nd) EPSS

CVSS 4.3 · medium

Is it mine?

2 products

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-28

The js_strtod function in jsdtoa.c in Artifex MuJS through 1.0.2 has an integer overflow because of incorrect exponent validation.

cvss

Technical severity, 0–10. One row per scoring source.

5.5

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.04.3mediumAV:N/AC:M/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 8.6 · impact 2.9

v3.05.5mediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 3.6

v3.05.2mediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:Psecondary · CVSS-BT (t0sche)

The CWE weakness classes this flaw belongs to.

Public proof-of-concept and weaponised exploit code.

Products and version ranges known to be affected.

Other names and identifiers for this entity.

Which sources assert this record, and when.

published 2018-01-24modified 2026-06-17

Related entries.

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External citations — patches, advisories, analysis.

scry

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